Chapter 20 - Ecosytems Energetics Flashcards
1
Q
Who is the scientist that coined the term Ecology
A
Tansley
2
Q
Structure
A
Place with specific elements → stating what is present
3
Q
Function
A
How things flow through a system
4
Q
2nd Law of thermodynamics
A
Not all energy gets ultized
- Solar energy to food source is not very efficient - waste heat is huge
5
Q
Open System
A
Enviorment with constant inmput of energies in the form of solar radiation
6
Q
Closed System
A
No matter or energy can be echanged (added or taken away) with enviorment
7
Q
Productivity
A
the rate of generation of biomass in an ecosystem
8
Q
Biomass
A
the cumulation of living matter
9
Q
How to measure biomass
A
Litterbags
10
Q
What factors influence the productivity of ecosystem
A
- temperature
- soil type and pH
